Sciact
  • EN
  • RU

High-Temperature Abatement of N2O over FeOx/CeO2-Al2O3 Catalysts: The Effects of Oxygen Mobility Научная публикация

Журнал Catalysts
ISSN: 2073-4344
Вых. Данные Год: 2022, Том: 12, Номер: 9, Номер статьи : 938, Страниц : 15 DOI: 10.3390/catal12090938
Ключевые слова N2O decomposition; Fe-Ce-Al mixed oxide; oxygen mobility
Авторы Pinaeva Larisa 1 , Prosvirin Igor 1 , Chesalov Yuriy 1 , Atuchin Victor 2,3,4,5
Организации
1 Boreskov Institute of Catalysis SB-RAS, 5, Lavrentiev ave, Novosibirsk 630090, Russia
2 Laboratory of Optical Materials and Structures, Institute of Semiconductor Physics, SB-RAS, Novosibirsk 630090, Russia
3 Research and Development Department, Kemerovo State University, Kemerovo 650000, Russia
4 Department of Industrial Machinery Design, Novosibirsk State Technical University, Novosibirsk 630073, Russia
5 R&D Center “Advanced Electronic Technologies”, Tomsk State University, Tomsk 634034, Russia

Информация о финансировании (2)

1 Министерство науки и высшего образования Российской Федерации (с 15 мая 2018) 0239-2021-0014
2 Министерство науки и высшего образования Российской Федерации (с 15 мая 2018) 075-15-2022-1132

Реферат: CeO2-Al2O3 oxides prepared by co-precipitation (Ce+Al) or CeOx precipitation onto Al2O3 (Ce/Al) to obtain dispersed CeO2 and samples with further supported FeOx (2.5–9.9 weight% in terms of Fe) were characterized by XRD, XPS, DDPA and Raman. Fe/Ce/Al samples with lower surface concentrations of Fe3+ were substantially more active in N2O decomposition at 700–900 °C. It was related to higher oxygen mobility, as estimated from 16O/18O exchange experiments and provided by preferential exposing of (Fe-)Ce oxides. Stabilization of some Ce as isolated Ce3+ in Fe-Ce-Al mixed oxides dominating in the bulk and surface layers of Fe/(Ce + Al) samples retards the steps responsible for fast additional oxygen transfer to the sites of O2 desorption.
Библиографическая ссылка: Pinaeva L. , Prosvirin I. , Chesalov Y. , Atuchin V.
High-Temperature Abatement of N2O over FeOx/CeO2-Al2O3 Catalysts: The Effects of Oxygen Mobility
Catalysts. 2022. V.12. N9. 938 :1-15. DOI: 10.3390/catal12090938 WOS Scopus РИНЦ CAPlus OpenAlex
Даты:
Поступила в редакцию: 4 авг. 2022 г.
Принята к публикации: 22 авг. 2022 г.
Опубликована в печати: 24 авг. 2022 г.
Опубликована online: 24 авг. 2022 г.
Идентификаторы БД:
Web of science: WOS:000858168800001
Scopus: 2-s2.0-85138669830
РИНЦ: 49578380
Chemical Abstracts: 2022:2500652
OpenAlex: W4293008843
Цитирование в БД:
БД Цитирований
Scopus 13
РИНЦ 11
Web of science 13
OpenAlex 14
Альметрики: